Mr. Smith owned ____ collection of coins than anyone else I have ever met.
| A．larger | B．a larger | C．the larger | D．a large |
An unusual Halloween party, an annual event in Boulder, Colorado, ____is known as the Naked Pumpkin Run, caused trouble.
| A．what | B．that | C．it | D．which |
–What’s troubling him? ______did Jim look quiet with his friends around.
--He’s considering a new project in his company.
| A．How | B．Why | C．Fairly | D．Seldom |
Vaccination(接种疫苗) against A H1/N1 flu will begin across Britain next week, _____a sharp increase in the death cases.
| A．to follow | B．followed | C．following | D．follows |
It’s believed ______40% of stars, like the sun, may have planets that orbit them.
| A．as many as | B．as much as | C．many more | D．much more |
A scientific report has found that snow and ice on Africa’s highest mountain Kilimanjaro ______rapidly and could vanish within 20 years.
| A．has been melted | B．will melt |
| C．is melting | D．was being melted |